package chapter_eleven.p152;

/**
 * Data time:2021/10/18 15:05
 * StudentID:2019112118
 * Author:hgw
 * Description:抽象文件夹，充当抽象构建类
 */
public abstract class AbstractFile {
    public abstract void add(AbstractFile file);
    public abstract void remove(AbstractFile file);
    public abstract AbstractFile getChild(int i);
    public abstract void killVirus();
}
